🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.8

Radius: 8.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.73 AU - 1.07 AU

Year: 543 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,766,091 km

• M1: 110,702 km (0.097 R)
• M2: 429,495 km (0.08 R)
• M3: 819,497 km (0.103 R)
• M4: 1,205,310 km (0.09 R)
• M5: 1,523,654 km (0.107 R)
• M6: 2,413,014 km (0.068 R)
• M7: 3,017,987 km (0.109 R)
• M8: 3,350,992 km (0.12 R)
• M9: 3,708,531 km (0.052 R)
• M10: 4,473,575 km (0.12 R)
• M11: 4,879,284 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 13.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.11 AU - 1.33 AU

Year: 857 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,766,091 km

• M1: 169,345 km (0.111 R)
• M2: 733,478 km (0.084 R)
• M3: 1,707,360 km (0.119 R)
• M4: 2,445,925 km (0.114 R)
• M5: 3,426,240 km (0.036 R)
• M6: 4,329,362 km (0.093 R)
• M7: 5,993,040 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 9.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.38 AU - 2.02 AU

Year: 1409 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,766,091 km

• M1: 120,576 km (0.05 R)
• M2: 489,035 km (0.084 R)
• M3: 903,571 km (0.11 R)
• M4: 1,255,725 km (0.03 R)
• M5: 1,729,351 km (0.112 R)
• M6: 2,271,494 km (0.1 R)
• M7: 2,866,894 km (0.103 R)
• M8: 3,514,503 km (0.057 R)
• M9: 3,933,975 km (0.097 R)
• M10: 4,330,709 km (0.044 R)
• M11: 4,773,818 km (0.046 R)
• M12: 5,225,902 km (0.112 R)
• M13: 5,661,382 km (0.081 R)
• M14: 6,384,239 km (0.092 R)
• M15: 6,907,981 km (0.046 R)
• M16: 7,326,107 km (0.112 R)
• M17: 7,816,638 km (0.069 R)
• M18: 9,263,549 km (0.044 R)
• M19: 9,611,514 km (0.066 R)
• M20: 10,233,093 km (0.039 R)
• M21: 12,146,749 km (0.099 R)
• M22: 12,912,540 km (0.098 R)
• M23: 13,267,536 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.9

Radius: 7.4

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.64 AU - 11.72 AU

Year: 19149 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,766,091 km

• M1: 95,443 km (0.085 R)
• M2: 424,559 km (0.079 R)
• M3: 1,147,864 km (0.096 R)
• M4: 2,873,925 km (0.106 R)
• M5: 6,671,616 km (0.117 R)
• M6: 6,938,798 km (0.114 R)
• M7: 11,474,157 km (0.09 R)
• M8: 12,119,372 km (0.111 R)
• M9: 18,353,864 km (0.116 R)
• M10: 20,424,448 km (0.1 R)
• M11: 23,048,095 km (0.058 R)
• M12: 23,660,100 km (0.1 R)
• M13: 28,601,467 km (0.059 R)
• M14: 31,249,948 km (0.045 R)
• M15: 42,866,671 km (0.064 R)
• M16: 43,482,267 km (0.11 R)
• M17: 50,304,528 km (0.079 R)
• M18: 52,377,206 km (0.116 R)
• M19: 55,592,065 km (0.111 R)
• M20: 57,994,158 km (0.047 R)
• M21: 61,238,487 km (0.09 R)
• M22: 63,600,039 km (0.118 R)
• M23: 67,462,357 km (0.081 R)
• M24: 71,048,218 km (0.063 R)
• M25: 72,126,519 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.8

Radius: 6.4

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.95 AU - 11.65 AU

Year: 19506 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,766,091 km

• M1: 81,381 km (0.113 R)
• M2: 950,395 km (0.106 R)
• M3: 2,201,482 km (0.069 R)
• M4: 2,443,831 km (0.061 R)
• M5: 2,681,542 km (0.084 R)
• M6: 3,515,849 km (0.066 R)
• M7: 5,646,572 km (0.085 R)
• M8: 6,300,165 km (0.108 R)
• M9: 7,088,994 km (0.1 R)
• M10: 8,761,199 km (0.051 R)
• M11: 12,043,227 km (0.068 R)
• M12: 19,585,353 km (0.09 R)
• M13: 20,015,597 km (0.05 R)
• M14: 36,825,012 km (0.091 R)
• M15: 45,210,720 km (0.113 R)
• M16: 47,489,694 km (0.072 R)
• M17: 47,799,212 km (0.11 R)
• M18: 49,050,898 km (0.032 R)
• M19: 50,807,177 km (0.114 R)
• M20: 57,197,250 km (0.086 R)
• M21: 58,252,812 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 16,298 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit